Improvements relating to devices for joining the ends of rails,申请号GB19320005950-传众专利搜索

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发明名称	Improvements relating to devices for joining the ends of rails
摘要
申请公布号	GB392691(A)	申请公布日期	1933.05.25
申请号	GB19320005950	申请日期	1932.02.27
申请人	VICTOR EMILE DUPUY	发明人
分类号	E01B11/10	主分类号	E01B11/10
代理机构		代理人
主权项
地址

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